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【单选题】
As it is used in the second paragraph of the passage, the word 'mechanism' means______.A.
parts of an organism or system which work together
B.
racial group united by language, religion, customs, etc.
C.
the people living in one place, district or country, considered as a whole
D.
a worker skilled in using or repairing machines or tools
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皮皮学刷刷变学霸
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【简答题】glare at
【单选题】某产品的单位变动成本因耗用的原材料涨价而提高了1元,企业为抵消该变动的不利影响决定提高产品售价1元,假设其他因素不变,则下列说法错误的是()。
A.
单位边际贡献不变
B.
.边际贡献率降低
C.
.盈亏临界点销售额不变
D.
.盈亏临界点销售量不变
【简答题】阅读理解：Many people believe that the glare from snow causes snowblindnessQuestions 26 to 30 are based on the following passage. Many people believe that the glare from snow causes snowblindness. Yet, dar...
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